4395A 参数 Datasheet PDF下载

Receiver Characteristics

Input characteristics

Frequency range

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Hz to 500 MHz

Input attenuator

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 50 dB, 10 dB step

Full scale input level (R, A, B)

Attenuator setting (dB)

0

10

20

30

40

50

Full scale input level

–10 dBm

0 dBm

+10 dBm

+20 dBm

+30 dBm

+30 dBm

IF bandwidth (IFBW)

2, 10, 30, 100, 300, 1 k, 3 k, 10 k, 30 kHz

Note: The IFBW should be set to less than 1/5 of the lowest frequency in

the sweep range.

Noise level (referenced to full scale input level, 23 °C ± 5 °C)

at 10 Hz ≤ frequency < 100 Hz, IFBW = 2 Hz . . . . . . . . . . . . . . . . . . . . .–85 dB (SPC)

at 100 Hz ≤ frequency < 100 kHz, IFBW = 10 Hz . . . . . . . . . . . . . . . . . . . . . . . . –85 dB

at 100 kHz ≤ frequency, IFBW = 10 Hz . . . . . . . . . . . . . . . . . (-115 + f/100 MHz) dB

Input crosstalk

for input R + 10 dBm input, input attenuator:. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 dB

for input A, B input attenuator: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 dB

at < 100 kHz

R through A, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < –100 dB

others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < –100 dB (SPC)

at ≥ 100 kHz

R through A, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < –120 dB

others . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < –120 dB (SPC)

Source crosstalk (for input A, B)(typical for input R)

at + 10 dBm output, < 100 kHz, input attenuator: 0 dB . . . . . . . . . . . . . . . . < –100 dB

at + 10 dBm output, ≥100 kHz, input attenuator: 0 dB . . . . . . . . . . . . . . . . < –120 dB

Multiplexer switching impedance change

at input attenuator 0 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.5% (SPC)

at input attenuator 10 dB and above . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.1% (SPC)

Connector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Type-N female

Impedance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 Ω nominal

Return loss

Input attenuator

0 dB

10 dB

20 dB to 50 dB

1

1

10 Hz ≤ frequency < 100 kHz

25 dB

25 dB

25 dB

1

100 kHz ≤ frequency ≤ 100 MHz

25 dB

1

25 dB

25 dB

1

100 MHz < frequency

15 dB

1

15 dB

15 dB

1

Maximum input level

Maximum safe input level

+30 dBm (at input attenuator: 40 dB or 50 dB)

+30 dBm or ±7 Vdc (SPC)

1. SPC

3